/* NeutroTV marketing site — single shared stylesheet, no JavaScript. */
:root {
  --bg: #ffffff; --bg-alt: #f4f6f8; --fg: #14181d; --muted: #4b5563;
  --line: #d9dee3; --accent: #0f7b4f; --accent-fg: #ffffff; --link: #0b5fa5;
  --card: #ffffff; --shadow: 0 1px 2px rgba(0,0,0,.06);
  --max: 68rem; --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216; --bg-alt: #171b21; --fg: #e8ebef; --muted: #a3acb8;
    --line: #2a313a; --accent: #2fb57c; --accent-fg: #06110c; --link: #6db3f2;
    --card: #151a20; --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--link); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
img, svg { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-fg); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: .5rem; top: .5rem; }
header.site { border-bottom: 1px solid var(--line); background: var(--bg); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: .8rem; padding-bottom: .8rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
.brand svg { width: 28px; height: 28px; }
nav.main ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1rem; }
nav.main a { color: var(--fg); text-decoration: none; padding: .3rem 0; }
nav.main a:hover, nav.main a[aria-current="page"] { text-decoration: underline; text-underline-offset: .3em; }
.btn { display: inline-block; padding: .7rem 1.2rem; border-radius: 8px; font-weight: 600; text-decoration: none; border: 1px solid transparent; }
.btn.primary { background: var(--accent); color: var(--accent-fg); }
.btn.secondary { border-color: var(--line); color: var(--fg); background: var(--card); }
main { display: block; }
section { padding: 3rem 0; }
section.alt { background: var(--bg-alt); }
.hero { padding: 4rem 0 3rem; }
.hero .lead { font-size: 1.25rem; color: var(--muted); max-width: 44rem; }
.hero .actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.hero .note { color: var(--muted); font-size: .95rem; margin-top: 1rem; }
.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
ol.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
ol.steps li { counter-increment: s; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.25rem 1.25rem 3.4rem; position: relative; }
ol.steps li::before { content: counter(s); position: absolute; left: 1rem; top: 1.1rem; width: 1.75rem; height: 1.75rem; border-radius: 50%; background: var(--accent); color: var(--accent-fg); font-weight: 700; display: grid; place-items: center; }
dl.faq dt { font-weight: 700; margin-top: 1.25rem; }
dl.faq dd { margin: .25rem 0 0; color: var(--muted); }
.prose { max-width: 46rem; }
.prose h2 { margin-top: 2rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .35em; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .95rem; }
th, td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg-alt); }
.table-wrap { overflow-x: auto; }
.crumbs { font-size: .9rem; color: var(--muted); margin: 1rem 0 0; }
.crumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.crumbs li + li::before { content: "\203A"; margin-right: .4rem; }
.cta { text-align: center; }
.cta .actions { display: flex; justify-content: center; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
footer.site { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: .92rem; }
footer.site .cols { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
footer.site ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem 1rem; }
footer.site a { color: inherit; }
.figure { margin: 1.5rem 0; }
.figure svg { width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
figcaption { color: var(--muted); font-size: .9rem; margin-top: .4rem; }
@media print { header.site, footer.site, .cta { display: none; } }